<!DOCTYPE html>
<html>
<head>
  <meta charset="UTF-8">
  <!-- import CSS -->
  <link rel="stylesheet" href="https://unpkg.com/element-ui/lib/theme-chalk/index.css">
  <!-- import Vue before Element -->
  <script src="https://unpkg.com/vue/dist/vue.js"></script>
  <!-- import JavaScript -->
  <script src="https://unpkg.com/element-ui/lib/index.js"></script>
</head>
<body>
<div id="app">
    <h1>学习message</h1></hr>
  <el-button :plain="true" @click="open1">消息</el-button>
  <el-button :plain="true" @click="open2">成功</el-button>
  <el-button :plain="true" @click="open3">警告</el-button>
  <el-button :plain="true" @click="open4">错误</el-button>

</div>
</body>

<script type="text/javascript">
  new Vue({
    el: '#app',
    methods: {
      open1(){
        this.$message('这是一条消息提示');
      },
      open2() {
        this.$message({
          message: '恭喜你，这是一条成功消息',
          type: 'success'
        });
      },
      open3() {
        this.$message({
          message: '警告哦，这是一条警告消息',
          type: 'warning'
        });
      },
      open4() {
        this.$message.error('错了哦，这是一条错误消息');
      }
    }
  })
</script>
</html>